Base | Representation |
---|---|
bin | 10010101110100… |
… | …10100000010110 |
3 | 101221121111202112 |
4 | 21113102200112 |
5 | 310204200204 |
6 | 23331111022 |
7 | 3615220436 |
oct | 1127224026 |
9 | 357544675 |
10 | 157100054 |
11 | 80751661 |
12 | 44742472 |
13 | 26716817 |
14 | 16c162c6 |
15 | dbd326e |
hex | 95d2816 |
157100054 has 4 divisors (see below), whose sum is σ = 235650084. Its totient is φ = 78550026.
The previous prime is 157100023. The next prime is 157100081. The reversal of 157100054 is 450001751.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450001751 = 43 ⋅10465157.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39275012 + ... + 39275015.
It is an arithmetic number, because the mean of its divisors is an integer number (58912521).
Almost surely, 2157100054 is an apocalyptic number.
157100054 is a deficient number, since it is larger than the sum of its proper divisors (78550030).
157100054 is an equidigital number, since it uses as much as digits as its factorization.
157100054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78550029.
The product of its (nonzero) digits is 700, while the sum is 23.
The square root of 157100054 is about 12533.9560394953. The cubic root of 157100054 is about 539.5836456832.
The spelling of 157100054 in words is "one hundred fifty-seven million, one hundred thousand, fifty-four".
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